Re: Vertical stereographic sundial

2022-11-04 Thread mlose
ide.edu.au; Wysłane: 2:12 Piątek 2022-11-04Temat: Re: Vertical stereographic sundial Hi Maciej, Here's a puzzle for you and others on the list. Does the usual 'co-latitude' rule for other plane sundials hold for Oughtred/stereograph dials? I've tried a quick

Re: Vertical stereographic sundial

2022-11-03 Thread Peter Mayer
; ml...@interia.pl; Wysłane: 5:58 Poniedziałek 2022-10-31 Temat: Re: Vertical stereographic sundial Hi Maciej, Thanks for your recent post. Since no one seems to have replied to your plea in the final paragraph for software to draw a stereographic/Oughtred dial, here are some exis

Re: Vertical stereographic sundial

2022-11-01 Thread mlose
ciejOd: "Peter Mayer" a1000...@adelaide.edu.auDo: sundial@uni-koeln.de; ml...@interia.pl; Wysłane: 5:58 Poniedziałek 2022-10-31Temat: Re: Vertical stereographic sundial Hi Maciej, Thanks for your recent post. Since no one seems to have replied to your plea in th

Fwd: Vertical stereographic sundial

2022-10-30 Thread Peter Mayer
senders. Dear All, As proven in a separate tread on "Sun elevation tool/ horizontoscope", stereographic projection is a fascinating geometric construction with great potential in gnomonics. During last year I explored the idea of vertical stereographic sundial and it resulted i

Vertical stereographic sundial

2022-10-26 Thread mlose
Dear All, As proven in a separate tread on "Sun elevation tool/ horizontoscope", stereographic projection is a fascinating geometric construction with great potential in gnomonics. During last year I explored the idea of vertical stereographic sundial and it resulted in a paper